/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│ vi: set et ft=c ts=2 sts=2 sw=2 fenc=utf-8                               :vi │
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2025 Justine Alexandra Roberts Tunney                              │
│                                                                              │
│ Permission to use, copy, modify, and/or distribute this software for         │
│ any purpose with or without fee is hereby granted, provided that the         │
│ above copyright notice and this permission notice appear in all copies.      │
│                                                                              │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL                │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED                │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE             │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL         │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR        │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER               │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR             │
│ PERFORMANCE OF THIS SOFTWARE.                                                │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/str/str.h"
#include "libc/testlib/testlib.h"

char *bad = (char *)7L;

TEST(strnlen, test) {
  EXPECT_EQ(0, strnlen(bad, 0));
  EXPECT_EQ(0, strnlen("hello", 0));
  EXPECT_EQ(3, strnlen("hello", 3));
  EXPECT_EQ(4, strnlen("hello", 4));
  EXPECT_EQ(5, strnlen("hello", 5));
  EXPECT_EQ(5, strnlen("hello", 6));
  EXPECT_EQ(5, strnlen("hello", -1));
  alignas(1) static const char hihihi[] = "hello hello hello hello";
  EXPECT_EQ(23, strnlen(hihihi, -1));
  EXPECT_EQ(22, strnlen(hihihi + 1, -1));
}
